<template>
  <div class="login">
    <div class="el-login-header">
      <h2 class="title">MSTN-SCR催化剂项目管理系统</h2>
      <span style="font-size: 15px; color: #2a9d95"
        >MSTN-SCR project management system
      </span>
    </div>
    <el-form
      ref="loginRef"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
    >
      <div style="display: flex; margin-bottom: 20px; line-height: 20px">
        <span style="font-size: 20px; color: #3bd6cd">用户登录</span>
        <span style="font-size: 14px; margin-left: 8px; color: #3bd6cd"
          >USER LOGIN</span
        >
      </div>
      <el-form-item prop="username">
        <el-input
          v-model="loginForm.username"
          type="text"
          size="large"
          auto-complete="off"
          placeholder="账号"
        >
          <template #prefix
            ><svg-icon icon-class="user" class="el-input__icon input-icon"
          /></template>
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input
          v-model="loginForm.password"
          type="password"
          size="large"
          auto-complete="off"
          placeholder="密码"
          @keyup.enter="handleLogin"
        >
          <template #prefix
            ><svg-icon icon-class="password" class="el-input__icon input-icon"
          /></template>
        </el-input>
      </el-form-item>
      <el-form-item prop="code" v-if="false">
        <el-input
          v-model="loginForm.code"
          size="large"
          auto-complete="off"
          placeholder="验证码"
          style="width: 63%"
          @keyup.enter="handleLogin"
        >
          <template #prefix
            ><svg-icon icon-class="validCode" class="el-input__icon input-icon"
          /></template>
        </el-input>
        <div class="login-code">
          <img :src="codeUrl" @click="getCode" class="login-code-img" />
        </div>
      </el-form-item>
      <el-form-item>
        <div
          style="
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
          "
        >
          <el-checkbox
            v-model="loginForm.rememberMe"
            style="margin: 0; color: #aeb8bc"
            >记住密码</el-checkbox
          >
          <el-tooltip
            class="item"
            effect="dark"
            placement="top"
            :popper-style="{ whiteSpace: 'pre-line' }"
          >
            <template #content>
              请联系管理员重置密码<br />微信：MSTN-1159
            </template>
            <span style="cursor: pointer; color: #aeb8bc">忘记密码？</span>
          </el-tooltip>
        </div>
      </el-form-item>

      <el-form-item style="width: 100%">
        <el-button
          :loading="loading"
          size="large"
          type="primary"
          style="width: 100%"
          @click.prevent="handleLogin"
        >
          <span v-if="!loading">登 录</span>
          <span v-else>登 录 中...</span>
        </el-button>
        <div style="float: right" v-if="register">
          <router-link class="link-type" :to="'/register'"
            >立即注册</router-link
          >
        </div>
      </el-form-item>
    </el-form>
    <!--  底部  -->
    <div class="el-login-footer" v-if="false">
      <span>Copyright © 2018-2025 ruoyi.vip All Rights Reserved.</span>
    </div>
  </div>
</template>

<script setup>
import { getCodeImg } from "@/api/login";
import Cookies from "js-cookie";
import { encrypt, decrypt } from "@/utils/jsencrypt";
import useUserStore from "@/store/modules/user";
import http from "@/utils/ajaxUtils";

const userStore = useUserStore();
const route = useRoute();
const router = useRouter();
const { proxy } = getCurrentInstance();

const loginForm = ref({
  username: "admin",
  password: "admin123",
  rememberMe: false,
  code: "",
  uuid: "",
});

const loginRules = {
  username: [{ required: true, trigger: "blur", message: "请输入您的账号" }],
  password: [{ required: true, trigger: "blur", message: "请输入您的密码" }],
  code: [{ required: true, trigger: "change", message: "请输入验证码" }],
};

const codeUrl = ref("");
const loading = ref(false);
// 验证码开关
const captchaEnabled = ref(true);
// 注册开关
const register = ref(false);
const redirect = ref(undefined);

watch(
  route,
  (newRoute) => {
    redirect.value = newRoute.query && newRoute.query.redirect;
  },
  { immediate: true }
);

function handleLogin() {
  proxy.$refs.loginRef.validate((valid) => {
    if (valid) {
      loading.value = true;
      // 勾选了需要记住密码设置在 cookie 中设置记住用户名和密码
      if (loginForm.value.rememberMe) {
        Cookies.set("username", loginForm.value.username, { expires: 30 });
        Cookies.set("password", encrypt(loginForm.value.password), {
          expires: 30,
        });
        Cookies.set("rememberMe", loginForm.value.rememberMe, { expires: 30 });
      } else {
        // 否则移除
        Cookies.remove("username");
        Cookies.remove("password");
        Cookies.remove("rememberMe");
      }
      const loginData = {
        username: loginForm.value.username,
        password: loginForm.value.password,
      };
      // 调用action的登录方法
      http
        .post("/login", loginData)
        .then((data) => {
          console.log("login", data);
          Cookies.set("Admin-Token", data.token);
          const query = route.query;
          const otherQueryParams = Object.keys(query).reduce((acc, cur) => {
            if (cur !== "redirect") {
              acc[cur] = query[cur];
            }
            return acc;
          }, {});
          router.push({ path: "/index", query: otherQueryParams });
        })
        .catch((error) => console.error(error));
    }
  });
}

function getCode() {
  getCodeImg().then((res) => {
    captchaEnabled.value =
      res.captchaEnabled === undefined ? true : res.captchaEnabled;
    if (captchaEnabled.value) {
      codeUrl.value = "data:image/gif;base64," + res.img;
      loginForm.value.uuid = res.uuid;
    }
  });
}

function getCookie() {
  const username = Cookies.get("username");
  const password = Cookies.get("password");
  const rememberMe = Cookies.get("rememberMe");
  loginForm.value = {
    username: username === undefined ? loginForm.value.username : username,
    password:
      password === undefined ? loginForm.value.password : decrypt(password),
    rememberMe: rememberMe === undefined ? false : Boolean(rememberMe),
  };
}

getCookie();
</script>

<style lang="scss" scoped>
.login {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-image: url("../assets/images/login-img.jpg");
  background-size: cover;
}
.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #3cdcd2;
}

.login-form {
  border-radius: 10px;
  background: #193540; // 深灰色，适合暗色主题
  border: 1px solid #23272e; // 深色边框
  box-shadow: 0 4px 24px 0 rgba(0, 0, 0, 0.25); // 深色阴影
  width: 35%;
  padding: 32px 32px 12px 32px;
  z-index: 1;
  .el-input {
    height: 38px;
    input {
      height: 38px;
      background: #23272e; // 输入框也用深灰色
      color: #e0f2f1; // 输入文字用浅色
      border-radius: 4px;
      border: 1px solid #278b85; // 青色边框点缀
    }
  }
  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
    color: #3cdcd2; // 图标用主色
  }
  .el-button--primary {
    background: linear-gradient(90deg, #3cdcd2 0%, #278b85 100%);
    border: none;
    color: #fff;
    font-weight: bold;
    transition: background 0.3s;
    &:hover,
    &:focus {
      background: linear-gradient(90deg, #278b85 0%, #3cdcd2 100%);
      color: #fff;
    }
  }
}
.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.login-code {
  width: 33%;
  height: 40px;
  float: right;
  img {
    cursor: pointer;
    vertical-align: middle;
  }
}
.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}
.login-code-img {
  height: 40px;
  padding-left: 12px;
}
.el-login-header {
  height: 40px;
  width: 100%;
  text-align: center;
  color: #707070;
  font-family: Arial;
  font-size: 18px;
  letter-spacing: 1px;
  background: none;
  position: static;
  margin-bottom: 80px;
}
</style>
